Our glass blocks are functional, stylish and easy to clean. When lining showers, our glass blocks provide significant privacy and an attractive atmosphere. * Protect your home with our Hurricane Impact Glass Block System. Our tested and proven systems are an excellent solution for homes built in hurricane zones. * Decorate your patio, dining room or living room with luminous, jewel-like glass blocks. * Made in the USA * Pittsburgh Corning 5 year limited Warrenty